COLIN Barrett used to paint the town red with Nottingham Forest. Now he paints houses in Southwell for a living.When he retired through injury in 1981, Barrett went back to live in Southwell, where he works as a painter and decorator."I was killing time painting my house when a chap walked by and said that I could paint his if I liked," he said. "It took off from there and I've been doing it ever since."Barrett started his career with Manchester City at the age of 17 on a...